|Posted by jimbo on April 07, 2004 at 18:10:52:|
|In response to Re: "Air in line" when hot water heater is on.|
: While everything you say is correct -as always- I wonder if you are overstating the "danger". We are talking water heaters, not boilers. I would guess about a million people in the USA go on vacation every day, and maybe 1% of them turn off their water heater. Consumer devices, such as residential water heaters, are very conservatively designed. The T/P device and the expansion tank should be adequate protection.
With regard to this particular customer, I wonder if there isn't some other situation going on. I don't know what it may be.
Naturally, I would recommend following the manufacturer's recommendation to turn temp. down to the "vacation" setting.
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